diff options
| -rw-r--r-- | library/stdarch/crates/core_arch/src/x86/avx2.rs | 31 |
1 files changed, 14 insertions, 17 deletions
diff --git a/library/stdarch/crates/core_arch/src/x86/avx2.rs b/library/stdarch/crates/core_arch/src/x86/avx2.rs index 8acf10e9f91..739de2b3412 100644 --- a/library/stdarch/crates/core_arch/src/x86/avx2.rs +++ b/library/stdarch/crates/core_arch/src/x86/avx2.rs @@ -18,8 +18,6 @@ //! [wiki_avx]: https://en.wikipedia.org/wiki/Advanced_Vector_Extensions //! [wiki_fma]: https://en.wikipedia.org/wiki/Fused_multiply-accumulate - - use crate::core_arch::{simd::*, x86::*}; use crate::intrinsics::simd::*; @@ -170,8 +168,7 @@ pub fn _mm256_adds_epu16(a: __m256i, b: __m256i) -> __m256i { #[stable(feature = "simd_x86", since = "1.27.0")] pub fn _mm256_alignr_epi8<const IMM8: i32>(a: __m256i, b: __m256i) -> __m256i { static_assert_uimm_bits!(IMM8, 8); - - + // If palignr is shifting the pair of vectors more than the size of two // lanes, emit zero. if IMM8 >= 32 { @@ -185,20 +182,20 @@ pub fn _mm256_alignr_epi8<const IMM8: i32>(a: __m256i, b: __m256i) -> __m256i { (a, b) }; unsafe { - if IMM8 == 16 { - return transmute(a) - } + if IMM8 == 16 { + return transmute(a); + } } const fn mask(shift: u32, i: u32) -> u32 { - let shift = shift % 16; - let mod_i = i%16; - if mod_i < (16 - shift) { - i + shift - } else { - i + 16 + shift - } - } - + let shift = shift % 16; + let mod_i = i % 16; + if mod_i < (16 - shift) { + i + shift + } else { + i + 16 + shift + } + } + unsafe { let r: i8x32 = simd_shuffle!( b.as_i8x32(), @@ -220,7 +217,7 @@ pub fn _mm256_alignr_epi8<const IMM8: i32>(a: __m256i, b: __m256i) -> __m256i { mask(IMM8 as u32, 13), mask(IMM8 as u32, 14), mask(IMM8 as u32, 15), - mask(IMM8 as u32, 16), + mask(IMM8 as u32, 16), mask(IMM8 as u32, 17), mask(IMM8 as u32, 18), mask(IMM8 as u32, 19), |